Guides & Topics
Everything we cover, organized. Start here and work through the fundamentals of barrels and practical accuracy.
Barrel Profiles
AR-15 Barrel Profiles: Pencil, Government, HBAR & Heavy Compared — how contour affects weight, heat and accuracy.
Twist Rate
Barrel Twist Rate Explained — how to match twist to your bullet so your loads stabilize.
Break-In & Maintenance
Do You Really Need to Break In a Rifle Barrel? — what the evidence actually says.
Buyer’s Guides
Best AR-15 Barrel Brands: A Buyer’s Guide — the makers worth your money, across budgets.